senator kerry took heat for president obama's foreign policy which he supports, but says time is running out for the regime. >> the president has made it definitive. we will do what we must do to prevent iran from obtaining a nuclear weapon and i repeat here today, our policy is not containment. it is prevention. and the clock is ticking on our efforts to secure responsible compliance. >> i hope you would help me with because in your testimony you alluded to president obama's vision for the world and the two years i've been here, i've struggled to fully understand what that vision is. >> on syria, another hot spot they'll face, senator kerry and senator mccain, a democrat and republican, said every day that goes by, it gets worse, shep. >> shepard: he was also, senator kerry, put into position to defend another of the president's cabinet nominees. >> that's right. his nomination is not controversial. he's well-known and plenty of experience and so he's expected to be a shoe in. but senator chuck hagel, the nominee to be the next secretary of defense has taken some heat and today senator